Heel-base-building machine



Nov. 26, 1929. c. o. RYBERG 1,737,129

HEZEU BASE BUILDING MACHINE Filed May 14, 1929 I I5 Sheets-Sheet 1 WM 2 W Z i Nov. 26, 1929. c o, RYBERG 1,737,129

HEEL BASE BUILDING MACHINE Filed May 14, 1929 3 Sheets-Sheet 2 Nov. ,26, 1929. c. o. RYBERG 1,737,129

HEEL BASE BUILDING MACHINE Filed May 1929 3 Sheets-Sheev 5 Patented Nov. 26, 1929 fdTATES CHARLES 0. RYBERG, OF BROCLK'JON, MASSACHUSETTS HEEL-BASE-BUILDING MACHINE Application filed May 14, I929.

The object of this invention is to provide a machine adapted to act on a rand, and a heel lift assembled to form the heel base shown by my Patent No. 1,701,509, dated February 12, 1929, in such .manner as to cause a compression of the heel base and a firm union of the parts thereof to each other.

'Other objects will hereinafter appear. Of the accompanying drawings forming a part of this specification Figure 1 is a front view of a machine embodying the invention.

Figure 1 shows separately the crank portion of the driving shaft shown by Figure 1. Figure 1 is a fragmentary sectionon line 1"1 of Figure 1.

Figure 2 isa side view.

Figure 3 is a top plan view, showing the machine in an inoperative condition.

Figure 1 is a top plan view, showing the machine in an operative condition.

Figure 5 is a section on line 5-5 of Figure 1-,

Figures 6, 7, 8, 9, 10 and 11 are fragmentary views, showing difierent portions of the machine.

Figure 12 shows in'perspectivea completed heel base.

The same reference charactersindicate the same parts in all of the figures.

The machine comprises a holder adapted to receive the rand '12 and lift 18 constituting the heel base. The holder includes a top plate 1 f, fixed frame members 15, and constituting a bed on which the rand rests, and an'internally heel shaped curb fixed to the bed and adapted to bear on and confine the curved margins of the rand and lift, the curb being preferably composed of two sections 16, adjustably secured to the bed by bolts 17, screwed into the bed and extending through slots 18, in the inner ends of the sections, the heads of the bolts confining washers 19 in the top surfaces ofthe sections. Set screws 20 engaged with tapped ears 21 on the top plate 14, bear on the outer end portions of the sections 16, and prevent the sections from swinging on the bolts 17.

A vertical rock-shaft 22,-constitu'ting an element of means for moving the head and Serial No. 362,888.

presser'hereinafter described, both vertically and horizontally, is adapted to turn and move endwise in a fixed bearing 23 at one side of the holder, said bearing being in this instance, formed on an extension of the top :plate 14. "Fixedto the rock shaft is an arm 24, adapted by the turning of the rock-shaft to swing to and from an operative position over the holder, the operative position of the arm being shown by Figures 4 and 5. Figure 3 shows the arm swung in an inoperative position, leaving the holder unobstructed, so that a rand and lift may be placed therein and removedtherefromafter the pressing operation next described. Thearm is arrestedin its operative position by a fixed stop member 25 on the top plate and a stop member 26 formed on the arm.

27 designates a head fixed by a clamping bolt 28 to the arm, and formed to enter the cavity between the sections 16 of the curb, the head being preferably horizontally adjustable by movement of the bolt in a slot 29 in the arm. The head 27 is provided with a presser adapted to act on a rand and lift assembled in the holder, the upper side of'the rand being coated with cement, and the presser being adapted to force the lift into close contact with the coated side of the rand, while the rand is supported by the bed 14.

The presser isprefera'bly composed of a compressible heel-shaped body30, of elastic rubber such as that employed in a rubber shoe heel, one side of the body being adapted to bear on the lift '13, and a metal plate 31 5 to which the body 30 is attached. The plate is provided with studs 32, movable in sockets in a flange 133 on the head, and having heads adapted to bear on the upper sideof the flange. A spring 12% is interposed be tween the head and the plate 31. When the arm 2% is swung to its operative position and depressed by the rockshaft and other elements hereinafter described, the presser enters the holder as indicated by full lines in Figure 5, and-compresses the assembled lift and rand, and when the arm rises to the dotted line position shown by Fi ure 5, the presser is withdrawn from the older and the head, and presser are tree to be 190 displaced to the position shown by Figure 3, so the holder is exposed to permit the removal of the connected lift and rand, and the insertion of another lift and rand prepared for connection. To facilitate the removal of the connected lift and rand from the holder, I provide a lifter or stud 33, movable vertically by a spring 34 in a guiding orifice in a bracket 35, fixed to the top plate or bed 14, the-stud exerting a yielding upward pressure on the lift 13, the bed being provided with an opening 36, through which the stud 33 projects. Said opening may be an oblong slot permitting horizontal adjustment of the stud, the bracket 35 being secured to the. top plate 14 by clamping screws 37, passing through slots 38 in ears in the bracket,

. so that the latter is horizontally adjustable.

The head 27 is provided with a breasting knife 39, adapted to sever surplus material from the breast edge of the lift and from the ends of the rand. The bed is provided with a non-metallic insert 40, on which the cutting edge of the breasting knife abuts.

To facilitate the movement of the arm 24 and the parts carried thereby to and from the described operative position, I provide the arm with a handle 41.

The mechanism which depresses and raises the rock-shaft 22 includes a horizontal shaft 42, journaled in bearings 43 and provided with a crank, the wrist-pin of which is designated by 44. The wrist-pinis connected with the rock-shaft 22 by a connecting-rod composed of a lower terminal 45, having a socket or hearing for the wrist-pin, an upper terminal 46 connected by a pivot pin 47 with the rock-shaft, and an intermediate rod portion 48'connecting said terminals.

49 designates a driving pulley having a hub 50 (Figure 9), whose bore 51 is loose on a reduced portion of the shaft 42, at one side of an annular shoulder 52 (Figure 10) on the shaft. .A male clutch member or dog 53 is slidable through the shoulder and is normally pressed by a spring 54 into engagement with either of a plurality of female clutch members or recesses 55 in the hub 50. When the shaft 42 is at rest, and the rotation of the pulley brings a recess 55 into alinement with the dog, said dog springs into the recess and the pulley is engaged with the shaft to rotate the latter. When a complete rotation is imparted to the shaft by the pulley, a tripping lever 155 connected by a fulcrum screw 56 with a fixed support, acts to retract'the dog 53 and thus disengage the pulley from the shaft leaving the latter at rest, one arm of the tripping lever being pressed by a spring 58 toward the shaft and having a beveled face 57, arranged to engage an ear 59 on the dog 53 and retract the dog.

One complete rotation of the shaft and a complete downward and upward movement of the head and presser are caused while the dog 53 is engaged with a recess 55, the tripping lever being caused to retract the dog 53 and disengage the pulley from the shaft when the head and presser are at the upward extreme of their movement. The dog remains retracted and the driving shaft at rest while the arm 24 is being moved to its inoperative position and the holder is being charged. During the movement of the arm 24 back to its operative position, the tripping lever is displaced outwardly from the driving shaft, as shown by Figure 11, until the dog 53 is projected by its spring into a recess 55, and the pulley is again engaged with the driving shaft, to again reciprocate the head and presser. The displacement of the tripping lever is caused by means operated by the turning movement of the rock-shaft 22 from the position shown by full lines in Figures 1 and 1 to the position shown by dotted lines in Figure 1*, an embodiment of said means being next described. 7

Pivoted at 60 to a fixed support is a lever 61, adapted to be moved from the position shown by full lines to that shown by dotted lines in Figure 6, by a member projecting laterally from the rock-shaft 22, said member being, in this instance, an extension of the pivot-pin 47, and arranged to be moved as indicated by Figure 1 by the turning of the rock-shaft, which occurs when the head and presser are being moved to their operative position over the holder. i

Motion imparted-to the lever 61 is trans mitted'through a rod 62, to a displacing device which includes a nose piece 63 and a body portion 64, both pivoted at 65 to a fixed support. The nose piece bears on the tripping lever 155 and is pressed downward on one arm of the tripping lever 155 to raise the other arm having the face 57 from the shaft 22, as indicated by Figure 11, thus permitting the clutch dog 53 to engage a clutch recess 55. This engagement occurs when the movement of the head and presser to their operative positions is completed, and causes a downward and return movement of the head and presser. The nose piece 63 is adapted to snap past the tripping lever 155, after displacing the latter, and thus release the tripping lever and permit it to be returned by the spring 58 to position to retract the clutch member 53.

A spring is fixed at its upper end to the frame and connected at the lower end to the pivot-pin 47, as shown in Figures 1, 1 and 2. When the rock-shaft 22 is turned to the operativeposition, the pivot-pin pulls against the spring, while the operator by grasping the handle on the arm 41, holds the head and presser over the holder. On the downward movement of the head, the arm is confined in its operative position by a fixed stop member 91, bearing against the side of the arm 24. Thus it will be seen that the stop members 25 and 91 form guides for the true vertical movement of the arm, while the head is descending and ascending.

When the head has moved upwardly and the arm 24 raised above the stop member 91, as in Figure 1, the spring 90 pulls on the pivotpin 47, which swings the arm back to its inoperative position until it is arrested in its movement by a fixed stop 92.

Whenever it is necessary to make adjustments on the head or holder, the lever 61 may be moved to the upper dotted line position shown in Figure 6, to prevent the rod 47 from striking the lever and causing the clutch to operate.

The clutch members 53 and 55, and the tripping lever 155, constitute well known elements of an automatic stop motion mechanism, the tripping lever being usually displaceable by means such as a treadle, Whenever the operator desires to start a shaft associated with said mechanism, the release of the treadle by the operator permitting the automatic disengagement of the two clutch members by the tripping lever.

It will be seen that in my improved machine, the displacement of the tripping lever causing the connection of the clutch parts, is caused automatically when the operator moves the arm to locate the head and presser over the holder, no separate act of the operator being required.

It will also be seen that after the return upward movement of the head and presser, the arm 24 is automatically moved to its inoperative position by the spring 90.

The lifter 33 is preferably provided with a tongue 38 (Figure 8) adapted to enter a slot 80 in the sheet metal stiffening strip 81, constituting an element of the heel base shown by the above-mentioned patent. The strip 81 is placed on the lifter and engaged with the tongue thereof, after the rand has been deposited on the bed and before the lift is cleposited on the rand, so that the lifter locates the strip in a predetermined position in the heel base.

I claim:

1. A heel base building machine comprising a fixed holder including a bed adapted to support a rand, and a heel-shaped lift superimposed on the rand, and a curb fixed to the bed and adapted to bear on the curved margins of the rand and lift, a rock-shaft adapted to turn and move endwise in a fixed bearing at one side of the holder, an arm fixed to the rock-shaft and adapted to swing to and from an operative position over the holder, a head fixed to the swinging end of the arm, a presser carried by the head and adapted to enter the holder and act on a lift and rand therein, when the arm is swung to an operative position, the arm being movable to and from an operative position relative to the holder, and mechanism for reciprocating the rock-shaft, and through the latter the arm, head and presser.

2. A heel base building machine comprising a fixed holder including a bed adapted to support a rand, and. a heel-shaped lift superimposed on the rand, and a curb fixed to the bed and adapted to bear on the curved margins of the rand and lift, a rock-shaft adapted to turn and move endwise in a fixed bearing at one side of the holder, an arm fixed to the rock-shaft and adapted to swing to and from an operative position over the holder, a head fixed to the swinging end of the arm, a presser carried by the head and adapted to enter the holder and act on a lift and rand therein, when the arm is swung to an operative position, the arm being movable to and from an operative position relative to the holder, rock-shaft reciprocating mechanism including a crank-shaft, a con necting-rod connecting the crank of said shaft with the rock-shaft to reciprocate the latter, a driving pulley normally loose on the crank-shaft, yieldingly interengaged clutch parts on the shaft and Pulley, a tripping lever normally in position to maintain the clutch parts out of engagement with each other, and connections between the rock-shaft and the tripping lever operable by a turning movement of the rock-shaft and arm to the operative position of the latter, to permit the interengagement of said clutch parts, and. an operative and a return movement of the rock-shaft, arm, and presser.

3. A heel base building machine as specified by claim 1, the head being provided with a breasting knife, adapted to cooperate with the bed in breasting a lift and rand supported by the bed.

4. A heel base building machine as specified by claim 1, the bed being provided with a lifter adapted to raise a connected lift and rand from the bed.

5. A heel base building machine as specified by claim 1, the bed being provided with a lifter adapted to raise a connected lift and rand from the bed, the lifter being provided with a locating tongue adapted to enter a slot in a stiffening strip.

In testimony whereof I have affixed my signature.

CHARLES O. RYBERG. 

